function cut_str($string, $cut_size, $tail) {
        $width = Array(0, 12, 4, 4, 4, 6, 6, 10, 8, 4, 5, 5, 6, 6, 4, 6, 4, 6,
                       6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 8, 6, 8, 6, 12, 8, 8,
                       9, 8, 8, 7, 9, 8, 3, 6, 8, 7, 11, 9, 9, 8, 9, 8, 8, 8, 8,
                       8, 10, 8, 8, 8, 6, 11, 6, 6, 6, 4, 7, 7, 7, 7, 7, 3, 7,
                       7, 3, 3, 6, 3, 11, 7, 7, 7, 7, 4, 7, 3, 7, 6, 10, 7, 7,
                       7, 6, 6, 6, 9, 0);

        $str_buffer = "";
        $len_buffer = 0;
        $count = 0;

        $len = strlen($string);

        $cut_size = $width[1] * $cut_size / 2;

        while( $count < $len ) {

            $asc = ord(substr($string, $count, 1));

            if( $asc < 128 ) {
                $len_buffer += $width[$asc-30];

                if( $len_buffer > $cut_size ) {
                    $str_buffer .= "...";
                    break;
                }

                $str_buffer .= substr($string, $count, 1);
                $count += 1;
            } else {
                $len_buffer += $width[1];

                if( $len_buffer > $cut_size ) {
                    $str_buffer .= "...";
                    break;
                }

                $str_buffer .= substr($string, $count, 3);
                $count += 3;
            }
        }

        if ($tail) return "$str_buffer";
        else return $str_buffer."";
    }